4423322144 has 24 divisors (see below), whose sum is σ = 8739871308. Its totient is φ = 2203672320.

The previous prime is 4423322117. The next prime is 4423322149. The reversal of 4423322144 is 4412233244.

It can be written as a sum of positive squares in 2 ways, for example, as 3842512144 + 580810000 = 61988^2 + 24100^2 .

It is not an unprimeable number, because it can be changed into a prime (4423322149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240647 + ... + 258374.

Almost surely, 2^4423322144 is an apocalyptic number.

It is an amenable number.

4423322144 is a deficient number, since it is larger than the sum of its proper divisors (4316549164).

4423322144 is a wasteful number, since it uses less digits than its factorization.

4423322144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499308 (or 499300 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 4423322144 is about 66508.0607445443. The cubic root of 4423322144 is about 1641.5326421969.

Adding to 4423322144 its reverse (4412233244), we get a palindrome (8835555388).

Subtracting from 4423322144 its reverse (4412233244), we obtain a square (11088900 = 3330²).

The spelling of 4423322144 in words is "four billion, four hundred twenty-three million, three hundred twenty-two thousand, one hundred forty-four".